What is the percentage decrease in the monthly salary of Poonam in the year 2009 as compared to her monthly salary in the previous year?
40%
10%
20%
80%
None of these
Required percentage = 25−2025×100=20%
If Jyoti's monthly salary in the year 2010 was increased by 30 percent, what would her monthly salary be in that year?
What is the average of the monthly salary of Sumit in the year 2008, Anil in the year 2009 and Jyoti in the year 2010?